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Phase 3 N=271 Prevention

Study of Safety, Tolerability and Immunogenicity of Gardasil®9 in Immunocompromised Patients

Human Papilloma Virus · Hiv · Organ Transplants

Enrolled (actual)
271
Serious AEs
11.5%
Results posted
Dec 2020
Primary outcome: Primary: Seroconversion Following 3 Doses of 9-valent HPV Vaccines — 100; 64.2; 100; 70.7 Percentage of participants

Study Design & Population

Study type
Interventional
Phase
Phase 3
Interventions
9-valent HPV vaccine (Biological)
Age
Adult · 18+ yrs
Sex
All
Sponsor
Universitaire Ziekenhuizen KU Leuven
Primary completion
Sep 2019

Outcome Measures

OutcomeResultp-value
PRIMARY
Seroconversion Following 3 Doses of 9-valent HPV Vaccines
100; 64.2; 100; 70.7; 100; 69.1
SECONDARY
Adverse Reactions Following 9-valent HPV Vaccination
99; 170

Summary

Patients with immunodeficiencies are at increased risk of developing persistent HPV infection and as such HPV-related disease (genital warts and cancer). In this study HIV-patients and SOT-patients will receive 3 doses of Gardasil®9. Safety, tolerability and immunogenicity will be evaluated up to one month following the 3rd and last dose of Gardasil®9.

Eligibility Criteria

Inclusion Criteria

  • Independent Ethics Committee (IEC)-approved written informed consent form (ICF) must be obtained from the subject prior to any study-related procedures (including discontinuation of prohibited medication, if applicable) by the subject is given as required by local law.
  • Subject (man or woman) is between the age of 18 years and 0 days and 45 years and 365 days for HIV patients, between 18 years and 0 days and 55 years and 365 days for transplant patients at time of signing the ICF
  • Subject is able to understand and adhere to the study procedures (e.g., is not planning to relocate far from the investigational centre during the study period); is able to read, understand, and complete the vaccination diary; is able to understand the risks involved with the study; and voluntarily agrees to participate in the study by giving written informed consent.
  • * Since the first day of their last menstrual period through Day 1, female subjects have not had sex with males or has had sex with males and used effective contraception with no failures (an example of a failure is a male condom that ruptures during sexual intercourse). Effective contraception is defined as a marketed, approved contraceptive product that the subject has used per the manufacturer's instructions with every act of sexual intercourse. The subject understands and agrees that during the Day 1 through Month 7 period, she should not have sexual intercourse with males without effective contraception. The use of the rhythm method alone, withdrawal alone, and emergency contraception, are not acceptable methods per the protocol. Subjects who have reached menopause, undergone hysterectomy, bilateral oophorectomy, or bilateral tubal ligation are eligible without the use of contraceptives. Postmenopausal status is defined as: (1) No menses for >1 year but 200 cells/mm² at the last control (less than 12 months ago).
  • SOT patients received their organ transplantation ≥12 months prior to vaccination and has been stable in the past 6 months (i.e. no acute rejection or other immunological reactions).
  • Apart from having HIV or received a solid organ transplant, the subject is in stable condition (i.e. no graft-versus-host disease or other immunological reactions) and is judged to be in good physical health on the basis of medical history, physical examination (if deemed necessary), and laboratory testing
  • Subject agrees to provide study personnel with a primary telephone number as well as an alternate telephone number for follow-up purposes.

Exclusion Criteria

  • Subject has a history of an abnormal Pap test or abnormal cervical biopsy results (showing cervical intraepithelial neoplasia or worse) or cervical disease (i.e., surgical treatment for cervical lesions).
  • Subject has history of genital warts, Vulvar Intraepithelial Neoplasia or Vaginal Intraepithelial Neoplasia.
  • Subject has a history of a positive test for HPV.
  • Subject has a history of known prior vaccination with an HPV vaccine, i.e., received a marketed HPV vaccine, or has participated in an HPV vaccine clinical study and has received either active agent or placebo.
  • Subject is pregnant (as determined by serum or urine pregnancy test).
  • Subject is, at the time of signing ICF, a user of recreational or illicit drugs or has had a recent history (within the last year) of drug or alcohol abuse or dependence. Alcohol abusers are defined as those who drink despite recurrent social, interpersonal, and/or legal problems as a result of alcohol use.
  • Subject has a history of severe allergic reaction, including known allergy to any vaccine component, including aluminum, yeast, or BENZONASE® (nuclease, Nycomed [used to remove residual nucleic acids from this and other vaccines]) (e.g., swelling of the mouth and throat, difficulty breathing, hypotension or shock) that met the criteria for serious adverse experiences defined in this protocol.
  • Patient's condition
  • Exclusion criterion
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT03525210). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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